112122123030 has 192 divisors, whose sum is σ = 312050232000. Its totient is φ = 27850521600.

The previous prime is 112122122977. The next prime is 112122123031. The reversal of 112122123030 is 30321221211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112122122994 and 112122123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122123031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25731612 + ... + 25735968.

It is an arithmetic number, because the mean of its divisors is an integer number (1625261625).

Almost surely, 2^112122123030 is an apocalyptic number.

112122123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112122123030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156025116000).

112122123030 is an abundant number, since it is smaller than the sum of its proper divisors (199928108970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112122123030 is a wasteful number, since it uses less digits than its factorization.

112122123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639 (or 4636 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112122123030 its reverse (30321221211), we get a palindrome (142443344241).

The spelling of 112122123030 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred twenty-three thousand, thirty".